DE2121629A1 - Arrangement for protecting the connecting pin of a hinge against loosening - Google Patents

Description

PATENT ADVOCATE DIPL.-PHYS. JOHN SPIES

8 MUNICH 22 · KAROLINENSTRASSE 3 TELEPHONE: (0811) 22 6917 · SHORT TELEGRAM ADDRESS: PATOMIC MÜNCHEN

Applicant: Suteichi WAKAYOSHI

35-104 Sugimoto-cho, Sabae-shi]? Ukui-ken, Japan

Arrangement for protecting the connecting pin

a hinge against loosening

(For this application, priority is given to Japanese application 125 062-70 dated 14 December 1970 claimed)

The invention relates to an arrangement for protecting the connecting pin of a hinge against loosening, wherein the hinge has two plates with pierced, interlocking, substantially disk-shaped projections has, in the through bores of which a connecting pin for holding the projections together is inserted, wherein the bottom projection with a threaded hole, and the guide tip of the connecting pin with a screw jack is provided so that the connecting pin into the threaded hole is further screwed in to keep the interlocked projections pressed to the desired extent.

In the case of a hinge of the above type, in particular if the hinge is used for the articulated connection of two structural elements, which are often opened and closed, like a pair of glasses

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frame, is used, it often happens that the connecting pin becomes loose over time and eventually even fails, which makes the hinge unusable. Various attempts have been made so far to prevent the connecting pin from becoming loose to protect. But the arrangements proposed for this are only constructed in a complicated manner and can only be implemented with difficulty assemble, so that it causes an increase in manufacturing cost.

The invention is based on the object of creating an arrangement that counteracts the connecting pin of a hinge Loosening is effective protection, but it is easy.

The object is achieved in that the connecting pin has at least one recess running around it or its axis and that between or adjacent to the projections of the hinge the possibility of bzi; ₉ means a means is ο "like · provided for achieving them, in such a $ that a substantially annular, having an opening lock can reach the recess of the Verbinehmgestiftes and pass through the aperture into engagement with these, so that the Verbinduiigsstift at a Movement in the axial direction is prevented.

According to a further feature of the invention, this lock consist of an elastic material and be shaped such that the distance between the opening is smaller than that Puroh knife of the ring-shaped grooved rope of the connecting pin, so that the lock can be inserted into the recess of the connecting pin due to its elasticity and can remain in this position »

With this arrangement, the connecting pin is against a Movement in its axial direction is prevented, whereby © r for always remains in a predetermined place, even if there is ice Torque on the screw connection between öer luppe des

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Connecting pin and the threaded hole, the lowest projection a hinge plate by exercise when opening and closing the hinge or by external force and thereby a force acting on the pin in the axial direction should have an effect »In addition, this arrangement requires a technically significantly smaller modification of the known general Hinges of the type mentioned at the beginning, which means that no major circumstances or changes in production are required will.

Some advantageous embodiments are given below by way of example described with reference to the drawings. Show:

Pig. 1 is an exploded perspective view of a hinge j according to the invention

Pig. Figure 2 is a perspective view of the assembled Pig's hinge. 1;

Pig. 3 is a side view of the Pig hinge. 2;

Pig. 4 shows a section along the line VI-VI according to Pig. 3, the connecting pin but partially for a better overview is cut;

Pig. 5 is an exploded perspective view of a hinge according to another embodiment the invention;

Pig. 6 is a side view of the assembled hinge after Pig. 5;

Pig. 7 shows a section along the line VII-VII according to Pig. 6, with the connecting pin for a better overview is only partially cut;

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8 is an exploded perspective view a further variant of the hinge according to the invention ;

Figure 9 is a side view of the assembled hinge according to Fig. 8; and

Fig. 10 is a section along the line X-X of Fig. 9, wherein the connecting pin only partially for a better overview is cut.

A hinge according to the invention is shown in FIGS. 1, 2, 3 and 4. The hinge plates 10 and 11 are drilled with holes 12 and 13, respectively; these serve to articulate the hinge plates to one another in a manner known per se to be connected bodies, such as to attach to the temple and the frame of glasses (not shown). The hinge plates each have a row of flat projections 14 and 15, which are at right angles from the hinge plates 10 and 11, respectively protrude to the side surface and have substantially the same distance from the adjacent projections. These Projections 14 and 15 become to hold the two together Hinge plates 10 and 11 interlocked. The uppermost of the projections 14 of the hinge plate 10 is flat with a Gap 16 is provided, the mode of operation of which will be explained in more detail below.

A connecting pin 17 is inserted into the through holes 18 and 19 of the interlocked projections 14 and 15 inserted, the connecting pin 17 at its guide tip Has screw thread 17a, with the help of which the connecting pin 17 is screwed into the threaded hole 18a, which in the lowermost projection 14 of the hinge plate 10 is formed (see. Fig. 4). The head 17b of the connecting pin 17 becomes so rotated far until the projections 14 and 15 by the Ein-r screws of the pin 17 are pressed against each other to a predetermined extent.

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To protect the connecting pin 17 from becoming loose and a constant amount of pressure of the interlaced To get projections 14 and 15 »in particular over longer periods of time, the connecting pin 17 is equipped with a annular recess 20 provided at such a point that this recess 20 in the uppermost projection 14 of the hinge plate 10 provided gap 16 faces when the connecting pin 17 with its screw thread 17a in the Through bores 18 and 19 are inserted and completely screwed into the threaded hole 18a. Then it becomes a substantially annular Latch 21 with an opening 21a inserted into the gap in the projection 14 until it is in the recess 20 of the Connecting pin 17 engages, the lock 21 from consists of an elastic material and the width of its opening 21a is smaller than the diameter of the annular fluted Part of the connecting pin.

The operation of the above-described arrangement is as follows. The one hinge plate 10 is attached to a body to be connected (not shown), for example on the temple, and the other plate 11 on the other body to be connected (not shown), for example attached to the spectacle frame, in a manner known per se. I am comfortable opening and closing the the two bodies, for example the temple and the fit of a pair of glasses, are pressed together appropriately entangled projections 14 and 15 with the help of the screw connection between the one located on the tip of the pin Screw thread 17a and the threaded hole 18a guaranteed. After the connecting pin 17 is finished in the threaded hole 18a is screwed in, the gap 16 formed in the uppermost projection 14 of the hinge plate 10 is opposite the recess 20 of the pin 17 'and in this space the lock 21 is inserted and with its elasticity in the Depression 20 pressed in. Due to the small opening width the lock 21 is now a practically non-releasable connection between pin 17 and lock 21 realized, where-

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2 * 21629

is prevented by the pin 17 from moving in the axis device. This effectively protects it against loosening, even if the opening and closing of the hinge plates is repeated several times.

A further embodiment according to the invention is illustrated in FIGS. 5, 6 and 7, wherein a hinge plate 22 is provided with the standing in a row, at right angles protruding from the side surface of the projections 23a, 23b and 23c, which which have through bores 24. The space 25 between see the projections 23a and 23b is preferably narrower than the space 26 between the projections 23b and 23c; it corresponds to the gap 16 in the first embodiment. the The other hinge plate 27 carries the projections 28a, 28b and 28c which are attached in the same way and which also have through-holes 29, wherein the lowermost projection 28c is equipped with a threaded hole "Both projections 28a and 28b have such a distance that the two projections 23a and 23b are received together with the narrower gap therein, while the projection 23c in the space between the protrusions 28b and 28c enters. Then a connecting pin 30 in the through holes 24 and 29 of the one another entangled projections 23 and 28 inserted, the connecting pin 30 having a screw thread on its guide tip 30a, with the help of which the connecting pin 30 is screwed into the threaded hole of the projection 28c, as shown in FIG. 6 and 7 is drawn. The connecting pin 30 also has a recess 31 running around it, which forms the gap 25 faces between the two projections 23a and 23b when the connecting pin 30 is inserted into the through bores 24 and 29 has been plugged in and screwed in.

The two hinge plates can be attached to the bodies to be connected, for example the bracket, in the same method as in the first embodiment described above and the frame of glasses, but it is

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also possible, on a hinge plate 27 on the opposite side of the projections 28 in its cross-section in essential I-shaped approach to be attached so that the plate by a corresponding Auegestaltung of the to be connected Body can be firmly connected to this · It should be emphasized that this is not the purpose of the present invention Means are to be proposed with which the hinge plates are connected to the bodies to be articulated, since the most diverse possibilities are conceivable for this.

The components and their effects, which are not specifically described above in the second embodiment, are identical as in the first embodiment of the invention, which also applies to the further embodiment below.

This further variant of the hinge according to the invention is shown in FIGS. 8, 9 and 10. On a hinge plate 33 are the same as the other embodiments described above, the projections 34a and 34-b with through holes 35 attached. The other hinge plate 36 is also provided with projections 37a, 37b and 37o, which have the through bores 38, wherein the lowermost projection 37c is equipped with a threaded hole. In the perforations 35 and 38 of the interlocked projections

34 and 37 a connecting pin 39 is inserted, which on his Guide tip is provided with a screw thread 39a, with the help of which the connecting pin 39 into the threaded hole of the lowermost projection 37c is screwed in * The connecting pin 39 also has a screw thread between its screw thread circumferential recess 40, such that they lie directly adjacent to the lower surface of the lowermost projection 37c comes when the connecting pin 39 in the through holes

35 and 38 of the interlocking projections 34 and 37 inserted and completely screwed to the threaded hole of the projection 37c (see. Fig. 9 and 10). In this recess 40, the lock 21 is inserted, and the

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PATENT ADVOCATE DIPL.-PHYS. JOHN SPIES

8 MUNICH 22 KARO LI N EN STRAS S E 3 TELEPHONE: (0811) 22 6917 TELEGRAM SHORT ADDRESS: PATOMIC MÜNCHEN

Applicant: Suteichi WAKAYOSHI

35-104 Sugimoto-cho, Sabae-shi 3? Ukui-ken, Japan

Claims

(1.) Arrangement for protecting the connecting pin of a Hinge against loosening, whereby the hinge has two plates with perforated, interlocking, has substantially disc-shaped projections, in the through-holes of which a connecting pin for holding them together the protrusions is inserted, the bottom protrusion with a threaded hole, and the guide tip of the connecting pin with a screw thread is provided so that the connecting pin is screwed into the threaded hole to interlock the To keep projections pressed to the desired extent, characterized in that the connecting pin (17, 30, 39) has at least one recess (20, 31, 40) running around this or its axis and that between or adjacent a device for the projections (14, 15; 23, 28; 34, 37) of the hinge plates (10, 11; 22, 27; 33, 36) (16, 25) is provided in such a way that a substantially annular lock having an opening (21a) (21) can reach the recess of the connecting pin and engage with it through the opening, so that the connecting pin is prevented from moving in the axial direction.

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Claims (5)

Pin 39 is then prevented from moving axially. In the embodiments of the hinge according to the invention explained above, only one locking ring was used, but it is of course possible to use several locks as required and the intended purpose. In the latter case, the number of gaps and depressions in which the interlocks are received must be changed accordingly. The location of the gap can also be chosen differently | be as was described above, for example they could be in a different projection than the top of the projections 14 (see. Figs. 1 to 4), chamfered, or between other adjacent projections (see FIG. Pig. 5 to 7) may be formed ₀ The other components could also be arranged and / or designed differently without deviating from the spirit of the invention. 209826/0509 JO 2. Arrangement according to claim 1, characterized in that the lock (21) consists of an elastic material and is shaped such that the spacing of the opening (21a) is smaller than the diameter of the annular fluted Part of the connecting pin so that the lock due to their elasticity are inserted into the recess of the connecting pin and in this place can remain. 3. Arrangement according to claims 1 or 2, characterized in that that the means through which the lock reach the recess of the connecting pin and can intervene with this, as a gap in the gap (16) is formed, which in one of the projections of the hinge plates at right angles to the axis of rotation of the hinge is grooved. 4. Arrangement according to one oäss several of the preceding claims, characterized in that the device through which the lock can reach the recess of the connecting pin and engage in it, a gap (25) between two adjacent projections (23a, 23b) of the one hinge plate (22), the spacing projections (23a ₃ 23b) both being inserted together between two projections (28a, 28b) of the opposing hinge plates (27), while the remaining projections are alternately interlaced. 5. Arrangement according to one or more of the preceding claims, characterized in that the device or the Means by which or which the lock reach the recess of the connecting pin and engage in it can, is a free space which is directly adjacent to the lowermost projection (37c) of the hinge plate (36) is, and that the recess (40) of the connecting pin (39) accordingly on its the screw thread (39a) 209826/0509 2) 21629 having guide dome is attached so that the lock in the recess of the connecting pin is inserted so that its upper surface contacts the lower surface of the lowermost projection. 209826/0509